| ratings |
| Overall NDTV Rating | Read Review | - |
| Design Rating | | - |
| Display Rating | | - |
| Software Rating | | - |
| Performance Rating | | - |
| Battery Life Rating | | - |
| Camera Rating | | - |
| Value for Money Rating | | - |
| key specs |
| Display | 6.80-inch | - |
| Processor | Samsung Exynos 2100 | Qualcomm Snapdragon 865+ |
| Front Camera | 40-megapixel | 10-megapixel + 10-megapixel |
| Rear Camera | 108-megapixel + 12-megapixel + 10-megapixel + 10-megapixel | 12-megapixel + 12-megapixel + 12-megapixel |
| RAM | 12GB, 16GB | 12GB |
| Storage | 128GB, 256GB, 512GB | 512GB |
| Battery Capacity | 5000mAh | 4500mAh |
| OS | Android 11 | Android 10 |
| Resolution | 1440x3220 pixels | 1768x2208 pixels |
| Display (Primary) | - | 7.60-inch |
| general |
| Brand | Samsung | Samsung |
| Model | Galaxy S21 Ultra | W21 5G |
| Release date | January 14, 2021 | November 4, 2020 |
| Form factor | Touchscreen | Foldable |
| Dimensions (mm) | 165.10 x 75.60 x 8.90 | - |
| Weight (g) | 228.00 | - |
| IP rating | IP68 | - |
| Battery capacity (mAh) | 5000 | 4500 |
| Fast charging | Proprietary | Proprietary |
| Wireless charging | Yes | Yes |
| Colours | Phantom Titanium, Phantom Navy, Phantom Brown | Gold |
| Launched in India | - | No |
| display |
| Screen size (inches) | 6.80 | 7.60 |
| Touchscreen | Yes | Yes |
| Resolution | 1440x3220 pixels | 1768x2208 pixels |
| Protection type | Gorilla Glass | - |
| Pixels per inch (PPI) | 515 | - |
| hardware |
| Processor | 2.2GHz octa-core (3x2.8GHz + 4x2.2GHz + 1x2.9GHz) | octa-core (1x3.09GHz + 3x2.4GHz + 4x1.8GHz) |
| Processor make | Samsung Exynos 2100 | Qualcomm Snapdragon 865+ |
| RAM | 12GB, 16GB | 12GB |
| Internal storage | 128GB, 256GB, 512GB | 512GB |
| Expandable storage | - | No |
| camera |
| Rear camera | 108-megapixel (f/1.8, 0.8-micron) + 12-megapixel (f/2.2, 1.4-micron) + 10-megapixel (f/2.4, 1.22-micron) + 10-megapixel (f/4.9, 1.22-micron) | 12-megapixel (f/1.8, 1.8-micron) + 12-megapixel (f/2.2, 1.12-micron) + 12-megapixel (f/2.4) |
| Rear autofocus | Laser autofocus | Yes |
| Rear flash | Yes | Yes |
| Front camera | 40-megapixel (f/2.2, 0.7-micron) | 10-megapixel (f/2.2, 1.22-micron) + 10-megapixel (f/2.2, 1.22-micron) |
| software |
| Operating system | Android 11 | Android 10 |
| Skin | One UI 3.1 | One UI 2.5 |
| connectivity |
| Wi-Fi | Yes | Yes |
| Wi-Fi standards supported | 802.11 a/b/g/n/ac/ax | 802.11 a/b/g/n/ac/ax |
| GPS | Yes | Yes |
| Bluetooth | Yes, v 5.00 | Yes, v 5.00 |
| NFC | Yes | - |
| USB Type-C | Yes | Yes |
| Number of SIMs | 2 | 2 |
| Active 4G on both SIM cards | - | Yes |
| sim 1 |
| SIM Type | Nano-SIM | Nano-SIM |
| GSM/CDMA | GSM | GSM |
| 3G | Yes | Yes |
| 4G/ LTE | Yes | Yes |
| 5G | Yes | Yes |
| sim 2 |
| SIM Type | Nano-SIM | Nano-SIM |
| GSM/CDMA | GSM | GSM |
| 3G | Yes | Yes |
| 4G/ LTE | Yes | Yes |
| 5G | Yes | Yes |
| sensors |
| Face unlock | Yes | Yes |
| In-Display Fingerprint Sensor | Yes | - |
| Compass/ Magnetometer | Yes | Yes |
| Proximity sensor | Yes | Yes |
| Accelerometer | Yes | Yes |
| Ambient light sensor | Yes | Yes |
| Gyroscope | Yes | Yes |
| Barometer | Yes | Yes |
| Fingerprint sensor | - | Yes |
| second display |
| Screen size (inches) | - | 6.20 |
| Touchscreen | - | Yes |
| Resolution | - | 816x2260 pixels |